1389079042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{239579}}^1$

素因数の和:239817

約数の個数: 16

約数和(自身を含む): 2253968640

約数和(自身を除く): 864889598

約数列:

[1, 2, 13, 26, 223, 446, 2899, 5798, 239579, 479158, 3114527, 6229054, 53426117, 106852234, 694539521, 1389079042]

約数ペア:

[(1, 1389079042), (2, 694539521), (13, 106852234), (26, 53426117), (223, 6229054), (446, 3114527), (2899, 479158), (5798, 239579)]